Han Sara was born in Seoul, South Korea on November 17, 2000. She moved to Vietnam with her father, as her father had work in the country.

In 2017, she auditioned for the music audition program The Voice Vietnam, singing her rendition of Kpop group Big Bang’s famous song “Haru Haru”.

In the same year, she signed a contract with 6th Sense Entertainment and made her debut with the song Tớ Thích Cậu featuring labelmate Tùng Maru.